According to the researchers also need to undertake projects, funding and academic management as administrative affairs in addition to scientific research，based on the investigation of some research institutes in Chinese Academy of Sciences, summarize and clarify the representative point of view through interviews, and investigate pressure from engineering task, papers, administrative affairs and graduate training on researchers through the questionnaire, and analyze the results by ANOVA(Analysis of Variance) and summarizes the characteristics of the administrative affairs of researchers according to the positional titles. And put forward optimization suggestions from the aspects of the management system, work flow, mentality and psychology in order to alleviate the researchers working pressure and give a correct understanding of the role of administrative affairs.